package main

import "fmt"

func f(from string)  {
	for i:=0;i<3;i++ {
		fmt.Println(from,":" ,i)
	}
}

func testCoroutine(){
	f("firect")
	go f("goroutine")
	go func(msg string) {
		fmt.Println(msg)
	}("going")

	var input string
	fmt.Scan(&input)
	fmt.Println("done")
}
